#include "config.h"
#include "Frame.h"
#include "Document.h"
#include "EditorClient.h"
#include "FloatRect.h"
#include "FrameLoader.h"
#include "FrameLoadRequest.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "HTMLTableCellElement.h"
#include "KeyboardEvent.h"
#include "NP_jsobject.h"
#include "npruntime_impl.h"
#include "Page.h"
#include "Plugin.h"
#include "RegularExpression.h"
#include "RenderFrame.h"
#include "RenderTableCell.h"
#include "RenderView.h"
#include "ResourceHandle.h"
#include "runtime_root.h"
#include "Settings.h"
#include "TextResourceDecoder.h"
#include <windows.h>
using std::min;
namespace WebCore {
using namespace HTMLNames;
extern HDC g_screenDC;
void computePageRectsForFrame(Frame* frame, const IntRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, Vector<IntRect>& pages, int& outPageHeight)
{
ASSERT(frame);
pages.clear();
outPageHeight = 0;
if (!frame->document() || !frame->view() || !frame->document()->renderer())
return;
RenderView* root = toRenderView(frame->document()->renderer());
if (!root) {
LOG_ERROR("document to be printed has no renderer");
return;
}
if (userScaleFactor <= 0) {
LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
return;
}
float ratio = (float)printRect.height() / (float)printRect.width();
float pageWidth = (float) root->overflowWidth();
float pageHeight = pageWidth * ratio;
outPageHeight = (int) pageHeight; pageHeight -= (headerHeight + footerHeight);
if (pageHeight <= 0) {
LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
return;
}
float currPageHeight = pageHeight / userScaleFactor;
float docHeight = root->layer()->height();
float docWidth = root->layer()->width();
float currPageWidth = pageWidth / userScaleFactor;
float printedPagesHeight = 0.0;
do {
float proposedBottom = min(docHeight, printedPagesHeight + pageHeight);
frame->view()->adjustPageHeight(&proposedBottom, printedPagesHeight, proposedBottom, printedPagesHeight);
currPageHeight = max(1.0f, proposedBottom - printedPagesHeight);
pages.append(IntRect(0, printedPagesHeight, currPageWidth, currPageHeight));
printedPagesHeight += currPageHeight;
} while (printedPagesHeight < docHeight);
}
HBITMAP imageFromSelection(Frame* frame, bool forceBlackText)
{
if (!frame->view())
return 0;
frame->view()->setPaintRestriction(forceBlackText ? PaintRestrictionSelectionOnlyBlackText : PaintRestrictionSelectionOnly);
FloatRect fr = frame->selectionBounds();
IntRect ir((int)fr.x(), (int)fr.y(), (int)fr.width(), (int)fr.height());
if (ir.isEmpty())
return 0;
int w;
int h;
FrameView* view = frame->view();
if (view->parent()) {
ir.setLocation(view->parent()->convertChildToSelf(view, ir.location()));
w = ir.width() * view->scale() + 0.5;
h = ir.height() * view->scale() + 0.5;
} else {
ir = view->contentsToWindow(ir);
w = ir.width();
h = ir.height();
}
OwnPtr<HDC> bmpDC(CreateCompatibleDC(g_screenDC));
HBITMAP hBmp = MemoryManager::createCompatibleBitmap(g_screenDC, w, h);
if (!hBmp)
return 0;
HBITMAP hbmpOld = (HBITMAP)SelectObject(bmpDC.get(), hBmp);
{
GraphicsContext gc(bmpDC.get());
frame->document()->updateLayout();
view->paint(&gc, ir);
}
SelectObject(bmpDC.get(), hbmpOld);
frame->view()->setPaintRestriction(PaintRestrictionNone);
return hBmp;
}
DragImageRef Frame::dragImageForSelection()
{
if (selection()->isRange())
return imageFromSelection(this, false);
return 0;
}
}